Bromochloroacetic acid

Wilmington Water Department

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

MORE ABOUT THIS CONTAMINANT

190

Samples

Samples exceeding legal limit (MCL)

186

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	3.26 ppb	10	10	1.70 ppb - 4.40 ppb
2015	3.18 ppb	38	35	ND - 5.20 ppb
2016	4.35 ppb	27	26	ND - 8.10 ppb
2017	4.67 ppb	39	39	1.10 ppb - 7.70 ppb
2018	4.98 ppb	36	36	2.00 ppb - 7.50 ppb
2019	4.02 ppb	40	40	1.20 ppb - 6.40 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-04-01	1079443001 HAA5	3.80 ppb
2014-04-01	1079443002 HAA5	4.40 ppb
2014-04-01	1079443003 HAA5	3.30 ppb
2014-04-01	1079443004 HAA5	3.40 ppb
2014-04-01	1079443006 HAA5	1.70 ppb
2014-04-01	1079443007 HAA5	2.90 ppb
2014-04-01	1079443008 HAA5	2.20 ppb
2014-04-01	1079443009 HAA5	3.50 ppb
2014-04-01	1079443010 HAA5	3.80 ppb
2014-04-01	1079443011 HAA5	3.60 ppb
2015-01-05	2047942001 HAA5	1.80 ppb
2015-01-05	2047942002 HAA5	ND
2015-01-05	2047942003 HAA5	2.60 ppb
2015-01-05	2047942004 HAA5	2.30 ppb
2015-01-05	2047942005 HAA5	ND
2015-01-05	2047942006 HAA5	2.60 ppb
2015-01-05	2047942007 HAA5	2.30 ppb
2015-01-05	2047942008 HAA5	2.70 ppb
2015-01-05	2047942009 HAA5	1.70 ppb
2015-04-14	2065266001 HAA5	ND
2015-04-14	2065266002 HAA5	3.60 ppb
2015-04-14	2065266003 HAA5	4.10 ppb
2015-04-14	2065266004 HAA5	4.50 ppb
2015-04-14	2065266005 HAA5	4.90 ppb
2015-04-14	2065266006 HAA5	4.70 ppb
2015-04-14	2065266007 HAA5	5.20 ppb
2015-04-14	2065266008 HAA5	5.20 ppb
2015-04-14	2065266009 HAA5	4.80 ppb
2015-04-14	2065266010 HAA5	4.00 ppb
2015-07-08	2082331001 HAA5	4.00 ppb
2015-07-08	2082331002 HAA5	5.00 ppb
2015-07-08	2082331003 HAA5	4.70 ppb
2015-07-08	2082331004 HAA5	4.80 ppb
2015-07-08	2082331005 HAA5	3.10 ppb
2015-07-08	2082331006 HAA5	4.00 ppb
2015-07-08	2082331007 HAA5	4.20 ppb
2015-07-08	2082331008 HAA5	1.000 ppb
2015-07-08	2082331009 HAA5	3.00 ppb
2015-07-08	2082331010 HAA5	3.80 ppb
2015-10-07	2100950001 HAA5	2.60 ppb
2015-10-07	2100950003 HAA5	1.40 ppb
2015-10-07	2100950004 HAA5	4.00 ppb
2015-10-07	2100950005 HAA5	3.70 ppb
2015-10-07	2100950006 HAA5	4.00 ppb
2015-10-07	2100950007 HAA5	1.50 ppb
2015-10-07	2100950008 HAA5	4.00 ppb
2015-10-07	2100950009 HAA5	1.20 ppb
2015-10-07	2100950010 HAA5	4.00 ppb
2016-04-04	2134195001 HAA5	3.50 ppb
2016-04-04	2134195003 HAA5	3.90 ppb
2016-04-04	2134195004 HAA5	4.30 ppb
2016-04-04	2134195005 HAA5	1.70 ppb
2016-04-04	2134195006 HAA5	4.60 ppb
2016-04-04	2134195007 HAA5	4.40 ppb
2016-04-04	2134195008 HHA5	4.50 ppb
2016-04-04	2134195009 HAA5	3.70 ppb
2016-04-04	2134195010 HAA5	4.20 ppb
2016-07-05	2156634001	4.20 ppb
2016-07-05	2156634003	1.40 ppb
2016-07-05	2156634004	6.10 ppb
2016-07-05	2156634005	6.20 ppb
2016-07-05	2156634006	6.70 ppb
2016-07-05	2156634007	6.50 ppb
2016-07-05	2156634008	6.00 ppb
2016-07-05	2156634009	2.00 ppb
2016-07-05	2156634010	5.40 ppb
2016-10-03	2179446001 HAA5	3.90 ppb
2016-10-03	2179446002 HAA5	ND
2016-10-03	2179446003 HAA5	5.30 ppb
2016-10-03	2179446004 HAA5	4.90 ppb
2016-10-03	2179446005 HAA5	8.10 ppb
2016-10-03	2179446006 HAA5	2.60 ppb
2016-10-03	2179446007 HAA5	5.30 ppb
2016-10-03	2179446008 HAA5	2.80 ppb
2016-10-03	2179446009 HAA5	5.30 ppb
2017-01-04	2200080001 HAA5	2.80 ppb
2017-01-04	2200080002 HAA5	3.40 ppb
2017-01-04	2200080003 HAA5	4.10 ppb
2017-01-04	2200080004 HAA5	3.80 ppb
2017-01-04	2200080005 HAA5	3.60 ppb
2017-01-04	2200080006 HAA5	6.30 ppb
2017-01-04	2200080007 HAA5	3.60 ppb
2017-01-04	2200080008 HAA5	3.80 ppb
2017-01-04	2200080009 HAA5	4.20 ppb
2017-04-04	2220361001 HAA5	2.40 ppb
2017-04-04	2220361003 HAA5	4.00 ppb
2017-04-04	2220361004 HAA5	4.10 ppb
2017-04-04	2220361005 HAA5	3.80 ppb
2017-04-04	2220361006 HAA5	3.60 ppb
2017-04-04	2220361007 HAA5	4.80 ppb
2017-04-04	2220361008 HAA5	3.90 ppb
2017-04-04	2220361009 HAA5	4.40 ppb
2017-04-04	2220361010 HAA5	4.60 ppb
2017-04-05	2220361011 HAA5	3.00 ppb
2017-07-18	2247510001 HAA5	5.50 ppb
2017-07-18	2247510004 HAA5	1.10 ppb
2017-07-18	2247510006 HAA5	7.10 ppb
2017-07-18	2247510008 HAA5	7.70 ppb
2017-07-18	2247510010 HAA5	6.40 ppb
2017-07-18	2247510012 HAA5	6.80 ppb
2017-07-18	2247510014 HAA5	6.70 ppb
2017-07-18	2247510016 HAA5	4.50 ppb
2017-07-18	2247510018 HAA5	7.10 ppb
2017-07-18	2247510020 HAA5	4.50 ppb
2017-10-03	2267296001 HAA5	4.00 ppb
2017-10-03	2267296004 HAA5	1.40 ppb
2017-10-03	2267296006 HAA5	6.80 ppb
2017-10-03	2267296008 HAA5	6.60 ppb
2017-10-03	2267296010 HAA5	5.80 ppb
2017-10-03	2267296012 HAA5	7.50 ppb
2017-10-03	2267296014 HAA5	5.30 ppb
2017-10-03	2267296016 HAA4	3.00 ppb
2017-10-03	2267296018 HHA5	6.80 ppb
2017-10-03	2267296020 HAA5	3.40 ppb
2018-01-03	2287060001 HAA5	4.60 ppb
2018-01-03	2287060004 HAA5	5.30 ppb
2018-01-03	2287060006 HAA5	6.10 ppb
2018-01-03	2287060008 HAA5	5.10 ppb
2018-01-03	2287060010 HAA5	5.00 ppb
2018-01-03	2287060012 HAA5	6.70 ppb
2018-01-03	2287060014 HAA5	3.80 ppb
2018-01-03	2287060016 HAA5	5.70 ppb
2018-01-03	2287060018 HAA5	5.40 ppb
2018-04-03	2306959001 HAA5	4.50 ppb
2018-04-03	2306959003 HAA5	4.70 ppb
2018-04-03	2306959005 HAA5	3.20 ppb
2018-04-03	2306959007 HAA5	4.40 ppb
2018-04-03	2306959009 HAA5	4.40 ppb
2018-04-03	2306959011 HAA5	4.20 ppb
2018-04-03	2306959013 HAA5	5.10 ppb
2018-04-03	2306959015 HAA5	4.90 ppb
2018-04-03	2306959017 HAA5	3.80 ppb
2018-07-02	2324450001 HAA5	4.90 ppb
2018-07-02	2324450003 HAA5	2.00 ppb
2018-07-02	2324450004 HAA5	7.50 ppb
2018-07-02	2324450005 HAA5	6.40 ppb
2018-07-02	2324450006 HAA5	5.80 ppb
2018-07-02	2324450007 HAA5	6.50 ppb
2018-07-02	2324450008 HAA5	5.80 ppb
2018-07-02	2324450009 HAA5	5.50 ppb
2018-07-02	2324450010 HAA5	6.50 ppb
2018-10-02	2342141001 HAA5	3.10 ppb
2018-10-02	2342141004 HAA5	4.00 ppb
2018-10-02	2342141006 HAA5	4.70 ppb
2018-10-02	2342141008 HAA5	4.90 ppb
2018-10-02	2342141010 HAA5	5.40 ppb
2018-10-02	2342141012 HAA5	6.10 ppb
2018-10-02	2342141014 HAA5	4.80 ppb
2018-10-02	2342141016 HAA5	3.30 ppb
2018-10-02	2342141018 HAA5	5.30 ppb
2019-01-03	3009447001 HAA5	2.50 ppb
2019-01-03	3009447004 HAA5	3.70 ppb
2019-01-03	3009447006 HAA5	3.20 ppb
2019-01-03	3009447008 HAA5	3.20 ppb
2019-01-03	3009447010 HAA5	3.30 ppb
2019-01-03	3009447012 HAA5	5.30 ppb
2019-01-03	3009447014 HAA5	3.50 ppb
2019-01-03	3009447016 HAA5	4.60 ppb
2019-01-03	3009447018 HAA5	3.60 ppb
2019-01-03	3009447020 HAA5	2.00 ppb
2019-04-02	3026194001 HAA5	2.20 ppb
2019-04-02	3026194003 HAA5	3.90 ppb
2019-04-02	3026194004 HAA5	3.50 ppb
2019-04-02	3026194005 HAA5	3.40 ppb
2019-04-02	3026194006 HAA5	3.10 ppb
2019-04-02	3026194007 HAA5	3.20 ppb
2019-04-02	3026194008 HAA5	2.90 ppb
2019-04-02	3026194009 HAA5	3.70 ppb
2019-04-02	3026194010 HAA5	3.50 ppb
2019-04-02	3026194011 HAA5	2.30 ppb
2019-07-01	3043203001 HAA5	4.10 ppb
2019-07-01	3043203004 HAA5	1.20 ppb
2019-07-01	3043203006 HAA5	5.30 ppb
2019-07-01	3043203008 HAA5	5.40 ppb
2019-07-01	3043203010 HAA4	6.00 ppb
2019-07-01	3043203012 HAA5	5.70 ppb
2019-07-01	3043203014 HAA5	5.00 ppb
2019-07-01	3043203016 HAA5	4.10 ppb
2019-07-01	3043203018 HAA5	5.40 ppb
2019-07-01	3043203020 HAA5	3.70 ppb
2019-10-02	3061934001 HAA5	3.70 ppb
2019-10-02	3061934004 HAA5	3.80 ppb
2019-10-02	3061934006 HAA5	6.20 ppb
2019-10-02	3061934008 HAA5	5.40 ppb
2019-10-02	3061934010 HAA5	5.80 ppb
2019-10-02	3061934012 HAA5	6.20 ppb
2019-10-02	3061934014 HAA5	5.30 ppb
2019-10-02	3061934016 HAA5	2.00 ppb
2019-10-02	3061934018 HAA5	6.40 ppb
2019-10-02	3061934020 HAA5	3.50 ppb